Home / 188,524,204.09-260,159,323.15-109,142,630.80

Finding the Fourth Proportional to 188,524,204.09, 260,159,323.15 and 109,142,630.80

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Solution

The fourth proportional to 188,524,204.09, 260,159,323.15 and 109,142,630.80 is: 150,614,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,524,204.09 : 260,159,323.15 = 109,142,630.80 : x
  2. Step 2: Convert to fraction form
    188,524,204.09/260,159,323.15 = 109,142,630.80/x
  3. Step 3: Cross multiply
    188,524,204.09x = 260,159,323.15 × 109,142,630.80
  4. Step 4: Simplify right side
    188,524,204.09x = 28,394,472,955,738,344
  5. Step 5: Solve for x
    x = 28,394,472,955,738,344/188,524,204.09
  6. Step 6: Final answer
    x = 150,614,469.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.